"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 导入导出、备份恢复工具支持M*兼容性
Case Name   : 导出导入create table like子句无需加括号语法
Create At   : 2023.05.04
Owner       : z@wan005
Description :
    1.创建兼容b库
    2.兼容b库下创建源表，使用create table like语句创建新表
    3.使用gs_dump工具导出为自定义归档格式
    4.gs_restore导入
    5.查询导出前表信息
    6.连接导入库查询表
    7.清理环境
Expect      :
    1.成功
    2.成功
    3.成功
    4.成功
    5.成功
    6.表导入成功，表结构和导出时一致
    7.成功
History     :
"""

import os
import unittest

from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger
from yat.test import Node
from yat.test import macro


class GsDump0048(unittest.TestCase):
    def setUp(self):
        self.log = Logger()
        self.sh_primary = CommonSH('PrimaryDbUser')
        self.dbuser_node = Node('PrimaryDbUser')
        self.constant = Constant()
        self.db_name = "db_dump_0048"
        self.tb_name = "tb_dump_0048"
        self.dump_path = os.path.join(macro.DB_BACKUP_PATH, 'dump0048')

    def test_server_tools(self):
        self.log.info(f'-----{os.path.basename(__file__)} start-----')
        text = '----step1: 创建兼容b库 expect: 成功----'
        self.log.info(text)
        sql_cmd = f"drop database if exists {self.db_name};" \
                  f"create database {self.db_name} dbcompatibility 'b';" \
                  f"drop database if exists {self.db_name}_01;" \
                  f"create database {self.db_name}_01 dbcompatibility 'b';"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd)
        self.log.info(sql_result)
        self.assertEqual(2, sql_result.count(
            self.constant.CREATE_DATABASE_SUCCESS), '执行失败:' + text)

        text = '----step2: 兼容b库下创建源表，使用create table like语句创建新表 ' \
               'expect: 成功----'
        self.log.info(text)
        sql_cmd = f'''drop table if exists {self.tb_name},{self.tb_name}_01,\
        {self.tb_name}_02,{self.tb_name}_03,{self.tb_name}_04;
        create table {self.tb_name}(c int);
        create table {self.tb_name}_01 like {self.tb_name};
        create table {self.tb_name}_02 like {self.tb_name};
        create table if not exists {self.tb_name}_03 like {self.tb_name};
        create table if not exists {self.tb_name}_04 like {self.tb_name};'''
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname=self.db_name)
        self.log.info(sql_result)
        self.assertEqual(5,
                         sql_result.count(self.constant.TABLE_CREATE_SUCCESS),
                         '执行失败:' + text)

        text = '----step3: 使用gs_dump工具导出自定义归档格式 expect: 成功----'
        self.log.info(text)
        gs_dump_cmd = f"source {macro.DB_ENV_PATH};" \
                      f"gs_dump " \
                      f"-p {self.dbuser_node.db_port}  " \
                      f"{self.db_name} " \
                      f"-F c " \
                      f"-f {self.dump_path}"
        self.log.info(gs_dump_cmd)
        dump_msg = self.dbuser_node.sh(gs_dump_cmd).result()
        self.log.info(dump_msg)
        self.assertIn(f"dump database {self.db_name} successfully", dump_msg,
                      '执行失败:' + text)

        text = '----step4: gs_restore导入 expect: 成功----'
        self.log.info(text)
        gs_restore_cmd = f"source {macro.DB_ENV_PATH};" \
                         f"gs_restore " \
                         f"-p {self.dbuser_node.db_port} " \
                         f"-d {self.db_name}_01 " \
                         f"{self.dump_path}"
        self.log.info(gs_restore_cmd)
        restore_msg = self.dbuser_node.sh(gs_restore_cmd).result()
        self.log.info(restore_msg)
        self.assertIn(self.constant.RESTORE_SUCCESS_MSG, restore_msg,
                      '执行失败:' + text)

        text = '----step5: 查询导出前表信息 expect:成功----'
        self.log.info(text)
        sql_cmd = f"show create table {self.tb_name};" \
                  f"show create table {self.tb_name}_01;" \
                  f"show create table {self.tb_name}_02;" \
                  f"show create table {self.tb_name}_03;" \
                  f"show create table {self.tb_name}_04;"
        self.log.info(sql_cmd)
        sql_result1 = self.sh_primary.execut_db_sql(sql_cmd,
                                                    dbname=self.db_name)
        self.log.info(sql_result1)

        text = '----step6: 连接导入库查询表 expect:表导入成功，表结构和导出时一致----'
        self.log.info(text)
        sql_cmd = f"show create table {self.tb_name};" \
                  f"show create table {self.tb_name}_01;" \
                  f"show create table {self.tb_name}_02;" \
                  f"show create table {self.tb_name}_03;" \
                  f"show create table {self.tb_name}_04;"
        self.log.info(sql_cmd)
        sql_result2 = self.sh_primary.execut_db_sql(sql_cmd,
                                                    dbname=f'{self.db_name}_01')
        self.log.info(sql_result2)
        self.assertEqual(sql_result1, sql_result2, '执行失败:' + text)

    def tearDown(self):
        text = '---step6: 清理环境 expect: 成功----'
        self.log.info(text)
        sql_cmd = f"drop database if exists {self.db_name};" \
                  f"drop database if exists {self.db_name}_01;"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname='postgres')
        self.log.info(sql_result)
        rm_cmd = f"rm -rf {self.dump_path}"
        self.log.info(rm_cmd)
        rm_msg = self.dbuser_node.sh(rm_cmd).result()
        self.log.info(rm_msg)
        self.assertEqual(2,
                         sql_result.count(self.constant.DROP_DATABASE_SUCCESS),
                         '执行失败:' + text)
        self.assertEqual('', rm_msg)
        self.log.info(f'-----{os.path.basename(__file__)} end-----')
